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Phone Samsung Galaxy J2 / J2 Pure / J2 Dash Samsung Galaxy Reverb ZTE Speed Nubia Red Magic 3 / 3S
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
4" diag.
5 : 3
4.5" diag.
16 : 9
6.7" diag.
19.5 : 9
Display Resolution & Type 540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz 60 Hz 90 Hz
Battery 2,600 mAh 1,700 mAh 2,000 mAh 5,000 mAh
Processor 1.4 GHz Samsung Exynos 7570 1.4 GHz Qualcomm S2 MSM8655 1.2 GHz Qualcomm Snapdragon 410 MSM8916 Qualcomm Snapdragon 855+
RAM 2 GB 768 MB 1 GB 8 GB *
Storage 16 GB 4 GB 8 GB 128 GB *
Main Camera 8 megapixel 5 megapixel 5 megapixel 48 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD WVGA / 480p 720p HD 4K UHD
Front Camera 5 megapixel 1 megapixel 2 megapixel 16 megapixel
Weight 5.43 oz
(154g)
4.54 oz
(129g)
4.8 oz
(136g)
7.58 oz
(215g)
Dimensions 5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
4.82" x 2.53" x 0.44"
(122 x 64 x 11.3 mm)
5.3" x 2.6" x 0.4"
(135 x 66 x 10.2 mm)
6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
Platform / OS Android Android Android Android
Network Bands

4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 1900

4G LTE: 25, 26, 41

CDMA: 800, 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) EVDO rA LTE (Cat 3) LTE (Cat 9)
Features 
Fingerprint Reader - - - Yes
stand-alone
Flashlight Yes - - Yes
Accessibility
Hearing Aid Compatible Yes Yes Yes -
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Data & Network
Dual-SIM - - - Yes
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes -
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes
Stereo Speakers - - - Yes
Photo & Video
TV Output - - - Yes
Power
Fast Charging - - - Yes
Voice
HD Voice - - Yes Yes
Speaker Phone Yes Yes Yes Yes
  Samsung Galaxy J2 / J2 Pure / J2 Dash Samsung Galaxy Reverb ZTE Speed Nubia Red Magic 3 / 3S
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy J2 / J2 Pure / J2 Dash Samsung Galaxy Reverb ZTE Speed Nubia Red Magic 3 / 3S

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